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Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Jun. 21, 2010
Proforma Debt Instrument [Line Items] |  |
Aggregate amount add back to future non-cash charges | $ 1,250 | $ 1,250
Credit agreement, maturity date | Mar. 28, 2018 |
Either rate per annum equal to lower of prime rate Federal Funds effective rate plus half percent plus applicable margin | 0.50% |
Either rate per annum equal to lower of prime rate Federal Funds effective LIBOR plus one percent plus applicable margin | 1.00% |
Non-cash charges, including goodwill and other intangible asset impairment charges | 250 |
Debt to total adjusted capitalization ratio | 65.00% |
Additional borrowing capacity | 858 |
Absorption of reduction to shareholders' equity to remain in compliance with covenant | 462 |
Maximum [Member] |  |
Proforma Debt Instrument [Line Items] |  |
Minimum interest coverage ratio | 2.5 |
Minimum [Member] |  |
Proforma Debt Instrument [Line Items] |  |
Minimum interest coverage ratio | 1.00 |
Euros Denominated Revolver [Member] |  |
Proforma Debt Instrument [Line Items] |  |
Borrowing capacity, maximum | 500 |
Swingline Loans [Member] |  |
Proforma Debt Instrument [Line Items] |  |
Borrowing capacity, maximum | 150 |
Letters of Credit [Member] |  |
Proforma Debt Instrument [Line Items] |  |
Borrowing capacity, maximum | 250 |
Outstanding and unused Letters of Credit | $ 78 |

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- Definition Absorption of reduction to shareholders' equity to remain in compliance with covenant. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Aggregate Amount Add Back To Future Non Cash Charges + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Debt Adjusted Capitalization Ratio + References No definition available. + Details
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- Definition Either Rate Per Annum Equal To Lower Of Prime Rate Federal Funds Effective Libor Plus One Percent Plus Applicable Margin + References No definition available. + Details
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- Definition Either Rate Per Annum Equal To Lower Of Prime Rate Federal Funds Effective Rate Plus Half Percent Plus Applicable Margin + References No definition available. + Details
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- Definition Line of credit facility increase additional borrowing. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Minimum Interest Coverage Ratio + References No definition available. + Details
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- Definition Non Cash Charges Including Goodwill And Other Intangible Asset Impairment Charges + References No definition available. + Details
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- Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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